{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "333054",
    "entityType": "User",
    "nonce": "0x68e4e3c8bc195b824fb575948ce6a97481aa7b291e06e417dd62c82a9432f1b0",
    "signature": "0x913e581bf99dd3d5ce5da90d381cb2b3f25eb80a0e574f456c751bf2a5100b801f4c29b7232595215d4944e6a32839495ebdec67b65ad32d4df0b79273ca7c941b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}